Northern Prairie Star Party Black Nugget Lake September 15, 2012 . Brian Martin The King’s University College. Three Fundamental “Sciences”. Measuring “Distance”, Position & “Scale” Astrometry Measuring Brightness and Intensity Photometry Measuring “Colour” Spectroscopy.
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Black Nugget Lake
September 15, 2012
The King’s University College
Exciting science that you can do from the back yard!
August 29, 2012
0.001 s exposure
Atik 314L+ camera
How big are the lunar features in this image?
* Angle in radians
850 px = 3457 km
Modest cost (< $2000)
Excellent software support
Monochrome with no anti-blooming is preferred
Pixel size should be carefully matched to image scale – need to oversample
Capable of milli-magnitude precision photometryConsumer grade CCD cameras…
40 s integration, C14 f/7
ST7E camera – KAF400 detector
November 9, 2009
Teff 7730 K
Period shows a
Small change over time!
November 9, 2009, s (C2-C1) = 0.007 mag